1*c7899551SAishwarya PantWhat:		/sys/class/rapidio_port
2*c7899551SAishwarya PantDescription:
3*c7899551SAishwarya Pant		On-chip RapidIO controllers and PCIe-to-RapidIO bridges
4*c7899551SAishwarya Pant		(referenced as "Master Port" or "mport") are presented in sysfs
5*c7899551SAishwarya Pant		as the special class of devices: "rapidio_port".
6*c7899551SAishwarya Pant		The /sys/class/rapidio_port subdirectory contains individual
7*c7899551SAishwarya Pant		subdirectories named as "rapidioN" where N = mport ID registered
8*c7899551SAishwarya Pant		with RapidIO subsystem.
9*c7899551SAishwarya Pant		NOTE: An mport ID is not a RapidIO destination ID assigned to a
10*c7899551SAishwarya Pant		given local mport device.
11*c7899551SAishwarya Pant
12*c7899551SAishwarya PantWhat:		/sys/class/rapidio_port/rapidioN/sys_size
13*c7899551SAishwarya PantDate:		Apr, 2014
14*c7899551SAishwarya PantKernelVersion:	v3.15
15*c7899551SAishwarya PantContact:	Matt Porter <mporter@kernel.crashing.org>,
16*c7899551SAishwarya Pant		Alexandre Bounine <alexandre.bounine@idt.com>
17*c7899551SAishwarya PantDescription:
18*c7899551SAishwarya Pant		(RO) reports RapidIO common transport system size:
19*c7899551SAishwarya Pant		0 = small (8-bit destination ID, max. 256 devices),
20*c7899551SAishwarya Pant		1 = large (16-bit destination ID, max. 65536 devices).
21*c7899551SAishwarya Pant
22*c7899551SAishwarya PantWhat:		/sys/class/rapidio_port/rapidioN/port_destid
23*c7899551SAishwarya PantDate:		Apr, 2014
24*c7899551SAishwarya PantKernelVersion:	v3.15
25*c7899551SAishwarya PantContact:	Matt Porter <mporter@kernel.crashing.org>,
26*c7899551SAishwarya Pant		Alexandre Bounine <alexandre.bounine@idt.com>
27*c7899551SAishwarya PantDescription:
28*c7899551SAishwarya Pant		(RO) reports RapidIO destination ID assigned to the given
29*c7899551SAishwarya Pant		RapidIO mport device. If value 0xFFFFFFFF is returned this means
30*c7899551SAishwarya Pant		that no valid destination ID have been assigned to the mport
31*c7899551SAishwarya Pant		(yet). Normally, before enumeration/discovery have been executed
32*c7899551SAishwarya Pant		only fabric enumerating mports have a valid destination ID
33*c7899551SAishwarya Pant		assigned to them using "hdid=..." rapidio module parameter.
34*c7899551SAishwarya Pant
35*c7899551SAishwarya PantAfter enumeration or discovery was performed for a given mport device,
36*c7899551SAishwarya Pantthe corresponding subdirectory will also contain subdirectories for each
37*c7899551SAishwarya Pantchild RapidIO device connected to the mport.
38*c7899551SAishwarya Pant
39*c7899551SAishwarya PantThe example below shows mport device subdirectory with several child RapidIO
40*c7899551SAishwarya Pantdevices attached to it.
41*c7899551SAishwarya Pant
42*c7899551SAishwarya Pant[rio@rapidio ~]$ ls /sys/class/rapidio_port/rapidio0/ -l
43*c7899551SAishwarya Panttotal 0
44*c7899551SAishwarya Pantdrwxr-xr-x 3 root root    0 Feb 11 15:10 00:e:0001
45*c7899551SAishwarya Pantdrwxr-xr-x 3 root root    0 Feb 11 15:10 00:e:0004
46*c7899551SAishwarya Pantdrwxr-xr-x 3 root root    0 Feb 11 15:10 00:e:0007
47*c7899551SAishwarya Pantdrwxr-xr-x 3 root root    0 Feb 11 15:10 00:s:0002
48*c7899551SAishwarya Pantdrwxr-xr-x 3 root root    0 Feb 11 15:10 00:s:0003
49*c7899551SAishwarya Pantdrwxr-xr-x 3 root root    0 Feb 11 15:10 00:s:0005
50*c7899551SAishwarya Pantlrwxrwxrwx 1 root root    0 Feb 11 15:11 device -> ../../../0000:01:00.0
51*c7899551SAishwarya Pant-r--r--r-- 1 root root 4096 Feb 11 15:11 port_destid
52*c7899551SAishwarya Pantdrwxr-xr-x 2 root root    0 Feb 11 15:11 power
53*c7899551SAishwarya Pantlrwxrwxrwx 1 root root    0 Feb 11 15:04 subsystem -> ../../../../../../class/rapidio_port
54*c7899551SAishwarya Pant-r--r--r-- 1 root root 4096 Feb 11 15:11 sys_size
55*c7899551SAishwarya Pant-rw-r--r-- 1 root root 4096 Feb 11 15:04 uevent
56